Your mother's son's cousin's sister's brother+in+law is your which relation ?

Your

Mother's

Son's

Cousin's

Sister's

Brother in law

is your BROTHER IN LAW !!

What relation is your cousin's father's daughter's grandmother to you ?

What relation is your sister's brother's mother's son to you ?

What relation is your aunt's brother in law's brother's cousin to you ?

What relation is your brother's aunt's brother in law's daughter's grandfather to you ?

What relation is your mother's husband's son's cousin to you ?

What relation is your son's uncle's aunt's granddaughter to you ?